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A326847 as a simple table

na(n)
12
23
34
45
57
68
79
811
913
1016
1117
1219
1323
1425
1527
1629
1730
1831
1932
2037
2141
2243
2347
2449
2553
2659
2761
2864
2967
3071
3173
3279
3381
3483
3584
3689
3797
38101
39103
40107
41109
42113
43121
44125
45127
46128
47131
48137
49139
50149
51151
52157
53163
54167
55169
56173
57179
58181
59191
60193
61197

[2,3,4,5,7,8,9,11,13,16,17,19,23,25,27,29,30,31,
 32,37,41,43,47,49,53,59,61,64,67,71,73,79,81,83,
 84,89,97,101,103,107,109,113,121,125,127,128,131,
 137,139,149,151,157,163,167,169,173,179,181,191,
 193,197]